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Welcome to the world's top site for time, time zones, and astronomy. Organize your life with free online info and tools you can rely on. No sign-up needed.
Use this online calculator to add or subtract days, weeks, months, and years from any given date.
Click on any red dot and go to that city's page with time, weather, sunrise/set, moon phases and lots more. Hover your mouse over the map to highlight time zones. Find the current time offset – displayed in whole hours only – from Coordinated Universal Time (UTC) at the bottom of the map. UTC offsets in diagonally striped areas are not ...
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Date Calculators Time and Date Duration – Calculate duration, with both date and time included Date Calculator – Add or subtract days, months, years Weekday Calculator – What day is this date? Birthday Calculator – Find when you are 1 billion seconds old Week Number Calculator – Find the week number for any date Related Links Calendar & Holidays Overview – Explore calendar tools ...
Date Calculators Duration Between Two Dates – Calculates number of days Date Calculator – Add or subtract days, months, years Birthday Calculator – Find when you are 1 billion seconds old The Time Duration Calculator will calculate the time that has elapsed/difference between two dates with time.
Business Days Calculator counts the number of days between two dates, with the option of excluding weekends and public holidays.
